Rear fender for a truck



FIG. 1 is a rear and side perspective view of a rear fender for a truck showing our new design;

FIG. 2 is a front and side perspective view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a rear view thereof.

The claimed design is indicated by the relatively darkened portions in FIGS. 1—5, while the relatively light portions thereof are environmental and form no part of the claimed design. 

The ornamental design for a rear fender for a truck, as shown and described. 